About Hirondellea gigas

Hirondellea gigas is a species of amphipod crustacean found in the hadal zone of the Pacific Ocean, particularly in the Mariana Trench. It is adapted to extreme deep-sea environments, living at depths exceeding 10,000 meters where pressures are immense and temperatures are near freezing. This species feeds on organic matter that sinks to the ocean floor, playing a crucial role in the deep-sea ecosystem as a scavenger. Its unique adaptations, such as a lightweight exoskeleton and specialized enzymes, allow it to survive and thrive in one of the most extreme habitats on Earth.


Basic Information
SpeciesPhylumCommon NameEcosystemDepthHabitatNCBI Taxonomy ID
Hirondellea gigasArthropoda-Deep sea6,800-11,000Mariana Trench in the northwestern Pacific Ocean1518452

Genome Assembly Information
Genome AssemblyGenome SizeAssembly levelReleased yearWGS accessionSubmitterBioProjectBUSCO completenessGene Number
-13.92GbChromosome2025CNA0142381-CNP000537489.34%27,881

References
TitleJournalPubmed ID
The amphipod genome reveals population dynamics and adaptations to hadal environmentCell40054448

Gene Information

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Gene IDDescription
Hgig_05546PROTEIN CBG27172
Hgig_05547
Hgig_05548STERILE20-LIKE KINASE, ISOFORM B-RELATED
Hgig_05549BAX INHIBITOR-RELATED
Hgig_05550NF-KAPPA-B INHIBITOR ALPHA
Hgig_05551CARBOHYDRATE SULFOTRANSFERASE
Hgig_05552
Hgig_05553UBIQUITIN CARBOXYL-TERMINAL HYDROLASE
Hgig_05554UBIQUITIN ASSOCIATED PROTEIN 2-LIKE/LINGERER
Hgig_05555
Hgig_05556OXYSTEROL-BINDING PROTEIN-RELATED
Hgig_05557ACYL-COA DEHYDROGENASE
Hgig_05558REVERSE TRANSCRIPTASE
Hgig_05559
Hgig_05560CADHERIN-23
Hgig_05561CYPHER, ISOFORM B
Hgig_05562CTX-RELATED TYPE I TRANSMEMBRANE PROTEIN
Hgig_05563MYELIN TRANSCRIPTION FACTOR 1-RELATED
Hgig_05564
Hgig_05565
Hgig_05566
Hgig_05567DDB1- AND CUL4-ASSOCIATED FACTOR 10
Hgig_05568DUAL SPECIFICITY PROTEIN KINASE
Hgig_05569SOLUTE CARRIER FAMILY 39
Hgig_05570UBA-LIKE DOMAIN-CONTAINING PROTEIN 2
Hgig_05571PLATELET-ACTIVATING FACTOR ACETYLHYDROLASE
Hgig_05572PLATELET-ACTIVATING FACTOR ACETYLHYDROLASE
Hgig_05573
Hgig_05574CYTOCHROME C OXIDASE POLYPEPTIDE VIC-2
Hgig_05575RAB11-RELATED
Hgig_05576NEGATIVE REGULATOR OF VESICLE FORMATION-RELATED
Hgig_05577
Hgig_05578
Hgig_05579PROTEIN CBG27172
Hgig_05580PROTEIN CBG27172
Hgig_05581
Hgig_05582UNCHARACTERIZED
Hgig_05583SPINDLE AND KINETOCHORE-ASSOCIATED PROTEIN 1
Hgig_05584CENTROMERE PROTEIN I
Hgig_05585CENTROMERE PROTEIN I
Hgig_05586CATION TRANSPORTING ATPASE
Hgig_05587
Hgig_05588RIBOPHORIN I
Hgig_05589DNA REPAIR DEAD HELICASE RAD3/XP-D SUBFAMILY MEMBER
Hgig_05590DNA REPAIR DEAD HELICASE RAD3/XP-D SUBFAMILY MEMBER
Hgig_05591ACROSIN-RELATED
Hgig_05592PASIFLORA 1, ISOFORM A-RELATED
Hgig_05593DYNEIN LIGHT CHAIN
Hgig_05594UBIQUINOL-CYTOCHROME C REDUCTASE COMPLEX 14 KD PROTEIN
Hgig_05595LIPOATE-PROTEIN LIGASE
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